[PATCH v5 05/40] t0021/rot13-filter: use Git/Packet.pm

@@ -19,9 +19,12 @@
 #     same command.
 #
 
+use 5.008;
+use lib (split(/:/, $ENV{GITPERLLIB}));
 use strict;
 use warnings;
 use IO::File;
+use Git::Packet;
 
 my $MAX_PACKET_CONTENT_SIZE = 65516;
 my @capabilities            = @ARGV;

@@ -34,54 +37,6 @@ sub rot13 {
 	return $str;
 }
 
-sub packet_bin_read {
-	my $buffer;
-	my $bytes_read = read STDIN, $buffer, 4;
-	if ( $bytes_read == 0 ) {
-		# EOF - Git stopped talking to us!
-		return ( -1, "" );
-	} elsif ( $bytes_read != 4 ) {
-		die "invalid packet: '$buffer'";
-	}
-	my $pkt_size = hex($buffer);
-	if ( $pkt_size == 0 ) {
-		return ( 1, "" );
-	} elsif ( $pkt_size > 4 ) {
-		my $content_size = $pkt_size - 4;
-		$bytes_read = read STDIN, $buffer, $content_size;
-		if ( $bytes_read != $content_size ) {
-			die "invalid packet ($content_size bytes expected; $bytes_read bytes read)";
-		}
-		return ( 0, $buffer );
-	} else {
-		die "invalid packet size: $pkt_size";
-	}
-}
-
-sub packet_txt_read {
-	my ( $res, $buf ) = packet_bin_read();
-	unless ( $res == -1 || $buf =~ s/\n$// ) {
-		die "A non-binary line MUST be terminated by an LF.";
-	}
-	return ( $res, $buf );
-}
-
-sub packet_bin_write {
-	my $buf = shift;
-	print STDOUT sprintf( "%04x", length($buf) + 4 );
-	print STDOUT $buf;
-	STDOUT->flush();
-}
-
-sub packet_txt_write {
-	packet_bin_write( $_[0] . "\n" );
-}
-
-sub packet_flush {
-	print STDOUT sprintf( "%04x", 0 );
-	STDOUT->flush();
-}
-
 print $debug "START\n";
 $debug->flush();